ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,447, issued on May 27, was assigned to 6K Inc. (North Andover, Mass.).

"Process for producing spheroidized powder from feedstock materials" was invented by John Barnes (Sewickley, Pa.), Aaron Bent (Andover, Mass.), Kamal Hadidi (Somerville, Mass.), Makhlouf Redjdal (Melrose, Mass.), Scott Turchetti (Peterborough, N.H.), Saurabh Ullal (Hollis, N.H.), Ning Duanmu (Nashua, N.H.) and Michael C. Kozlowski (Melrose, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are embodiments of methods, devices, and assemblies for processing feedstock materials using microwave plasma processing. Specifically, the feedstock materials disclosed her...